The base of a parallelogram is 6dm. The height of a triangle is equal to the height of the parallelogram, and the area is also equal. The base of the triangle is () DM [urgent] Answer accepted Online 10 points

The base of a parallelogram is 6dm. The height of a triangle is equal to the height of the parallelogram, and the area is also equal. The base of the triangle is () DM [urgent] Answer accepted Online 10 points

I am the person who answered your question just now: the bottom of a parallelogram is 6dm, the height of a triangle is equal to the height of the parallelogram, and the area is also equal. The bottom of the triangle is (12) DM
I wish you a higher level of learning, mathematics counseling group to solve your problems!

If the area of two triangles is equal, they can form a quadrilateral?

Of course not
For example: two triangles with a bottom length of 4 and a height of 3 and a bottom length of 2 and a height of 6 have the same area, but they cannot be combined into parallelograms~

What is the sum of the areas of a triangle and a quadrilateral?

Bottom = a, height = h,
Triangle area = ah / 2,
The area of the quadrilateral of the plane = ah,
Quadrilateral area = 2 * triangle area
Quadrilateral area triangle area = 10 square centimeter
Triangle area = 10 square centimeters
Flat quadrilateral area = 20 square centimeters
The sum of the two figures is 30 square centimeters

The length and width of a rectangle are prime numbers, and the perimeter is 36 cm. What is the maximum area of the rectangle?

36 △ 2 = 18 (CM), 18 = 5 + 13 = 7 + 11, 13 × 5 = 65 (cm 2), 11 × 7 = 77 (cm 2), 77 > 65, a: the area of this rectangle is 77 cm 2 at most

What is the circumference, length and width of the rectangle 108 cm? What is the area?

108/2=54（CM）
Let length be a, width be B, a + B = 54
C=(A+B)*2
S=A*B
This is OK!
\(≥ ▽≤) / ~ Lala

The perimeter of the rectangle is 36. If the length and width are increased by 2 meters, how much is the area increased

Drawing knowledge: added two rectangles and squares
Increased area:
Length × 2 + width × 2 + 2 × 2
=(length + width) × 2 + 2 × 2
= 36÷2×2＋2×2
=40 (M2)

The perimeter of a rectangle is 36 meters. If its length and width increase by 2 meters, its area will increase______ Square meters

According to the analysis, the answer is as follows: Na = Nb + AB = AD + AB = 18 (meters), the area of the increased part = the area of the rectangular nfek, = (18 + 2) × 2, = 20 × 2, = 40 (square meters); answer: its area is increased by 40 square meters, so the answer is: 40